The BTY Ni-MH rechargeable AAA batteries adopt universal standards most of them suitable for cameras toys and many other electronic devices. Except that it features extensively long working life and high efficiency great for use. And it is compact and rechargeable so you can carry it anywhere anytime convenient to use. The battery is really durable and reliable. - Rechargeable Ni-Mh AA battery - 1.2V/3000mAh (actual 900mAh) - Compatible for electronic devices - Comes with 2 batteries